%0 Journal Article %A A. P. Terekhin %T A mixed $q$-integral $p$-variation, and theorems of equivalence and imbedding of classes of functions with a mixed modulus of smoothness %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1979 %P 306-319 %V 150 %U http://geodesic.mathdoc.fr/item/TM_1979_150_a15/ %G ru %F TM_1979_150_a15